More slow progress toward a test application that does chat to a Crowd

server. It looks like I'm going to have to write my own user interface
toolkit for JME as nothing exists for any Java-based GL library or engine
and precious few toolkits exist in C++. Yay!


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3519 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/jme/JmeApp.java

@@ -27,6 +27,10 @@ import com.samskivert.util.Queue;
 import com.samskivert.util.RunQueue;
 import com.samskivert.util.StringUtil;
 
+import com.jme.renderer.Camera;
+import com.jme.renderer.ColorRGBA;
+import com.jme.renderer.Renderer;
+
 import com.jme.scene.Node;
 import com.jme.scene.state.LightState;
 import com.jme.scene.state.ZBufferState;
@@ -36,18 +40,20 @@ import com.jme.system.JmeException;
 import com.jme.system.PropertiesIO;
 import com.jme.system.lwjgl.LWJGLPropertiesDialog;
 
-import com.jme.app.AbstractGame;
+import com.jme.ui.UIFonts;
+import com.jme.ui.UIColorScheme;
+
 import com.jme.input.InputHandler;
 import com.jme.input.InputSystem;
+
 import com.jme.light.PointLight;
 import com.jme.math.Vector3f;
-import com.jme.renderer.Camera;
-import com.jme.renderer.ColorRGBA;
 import com.jme.util.Timer;
 
 import com.threerings.presents.client.Client;
 
 import com.threerings.jme.input.GodViewHandler;
+import com.threerings.jme.input.HardwareMouse;
 
 /**
  * Defines a basic application framework providing integration with the
@@ -57,19 +63,6 @@ import com.threerings.jme.input.GodViewHandler;
 public class JmeApp
     implements RunQueue
 {
-    /**
-     * Returns our average frames per second since the last call to this
-     * method.
-     */
-    public float getFramesPerSecond ()
-    {
-        float now = _timer.getTime(), delta = now - _lastFPSStamp;
-        float fps = _frames / delta;
-        _lastFPSStamp = now;
-        _frames = 0;
-        return fps;
-    }
-
     /**
      * Configures the target frame rate in frames per second.
      */
@@ -81,6 +74,15 @@ public class JmeApp
         _targetFrameTicks = _timer.getResolution() / framesPerSecond;
     }
 
+    /**
+     * Returns a context implementation that provides access to all the
+     * necessary bits.
+     */
+    public JmeContext getContext ()
+    {
+        return _ctx;
+    }
+
     /**
      * Does the main initialization of the application. This method should
      * be called first, and then the {@link #run} method should be called
@@ -126,6 +128,9 @@ public class JmeApp
         // initialize the lighting
         initLighting();
 
+        // initialize the UI support stuff
+        initInterface();
+
         // update everything for the zeroth tick
         _root.updateGeometricState(0f, true);
         _root.updateRenderState();
@@ -239,10 +244,14 @@ public class JmeApp
     protected void initInput ()
     {
         _input = new GodViewHandler(this, _camera, _properties.getRenderer());
+        _bufferedInput = new InputHandler();
 
-//         /** Signal to all key inputs they should work Nx faster. */
-//         input.setKeySpeed(150f);
-//         input.setMouseSpeed(1f);
+        // we don't hide the cursor
+        InputSystem.getMouseInput().setCursorVisible(true);
+        HardwareMouse mouse = new HardwareMouse("Mouse");
+        mouse.setMouseInput(InputSystem.getMouseInput());
+        _input.setMouse(mouse);
+        _bufferedInput.setMouse(mouse);
     }
 
     /**
@@ -276,6 +285,17 @@ public class JmeApp
         _root.setRenderState(_lights);
     }
 
+    /**
+     * Initializes our user interface bits.
+     */
+    protected void initInterface ()
+    {
+        String[] names = { "main" };
+        String[] locs = { StatsDisplay.DEFAULT_JME_FONT };
+        _fonts = new UIFonts(names, locs);
+        _colorScheme = new UIColorScheme();
+    }
+
     /**
      * Processes a single frame.
      */
@@ -287,7 +307,6 @@ public class JmeApp
         render(frameStart);
 
         _display.getRenderer().displayBackBuffer();
-        _frames++;
 
         // now process events or sleep until the next frame (assume zero
         // frame duration to start to ensure that we always process at
@@ -320,6 +339,7 @@ public class JmeApp
         // update the input system
         float timePerFrame = _timer.getTimePerFrame();
         _input.update(timePerFrame);
+        _bufferedInput.update(timePerFrame);
 
         // run all of the controllers attached to nodes
         _root.updateGeometricState(timePerFrame, true);
@@ -406,25 +426,53 @@ public class JmeApp
         return cfgdir + File.separator + file;
     }
 
+    /** Provides access to various needed bits. */
+    protected JmeContext _ctx = new JmeContext() {
+        public Renderer getRenderer () {
+            return _display.getRenderer();
+        }
+
+        public Node getRoot () {
+            return _root;
+        }
+
+        public InputHandler getInputHandler () {
+            return _input;
+        }
+
+        public InputHandler getBufferedInputHandler () {
+            return _bufferedInput;
+        }
+
+        public UIColorScheme getColorScheme () {
+            return _colorScheme;
+        }
+
+        public UIFonts getFonts () {
+            return _fonts;
+        }
+    };
+
     protected Timer _timer;
     protected Thread _dispatchThread;
     protected Queue _evqueue = new Queue();
-    protected boolean _finished;
 
     protected PropertiesIO _properties;
     protected DisplaySystem _display;
     protected Camera _camera;
     protected InputHandler _input;
+    protected InputHandler _bufferedInput;
+
+    protected long _targetFrameTicks;
+    protected boolean _finished;
+    protected int _failures;
 
     protected Node _root;
     protected LightState _lights;
     protected StatsDisplay _stats;
 
-    protected int _failures;
-
-    protected int _frames;
-    protected float _lastFPSStamp;
-    protected long _targetFrameTicks;
+    protected UIColorScheme _colorScheme;
+    protected UIFonts _fonts;
 
     /** If we fail 100 frames in a row, stick a fork in ourselves. */
     protected static final int MAX_SUCCESSIVE_FAILURES = 100;

src/java/com/threerings/jme/JmeContext.java

@@ -0,0 +1,54 @@
+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.jme;
+
+import com.jme.input.InputHandler;
+import com.jme.renderer.Renderer;
+import com.jme.scene.Node;
+
+import com.jme.ui.UIColorScheme;
+import com.jme.ui.UIFonts;
+
+/**
+ * Provides access to the various bits needed by things that operate in
+ * JME land.
+ */
+public interface JmeContext
+{
+    /** Returns the renderer being used to draw everythign. */
+    public Renderer getRenderer ();
+
+    /** Returns the root of our scene graph. */
+    public Node getRoot ();
+
+    /** Returns our main (unbuffered) input handler. */
+    public InputHandler getInputHandler ();
+
+    /** Returns our buffered input handler. */
+    public InputHandler getBufferedInputHandler ();
+
+    /** Returns the color scheme to be used by UI elements. */
+    public UIColorScheme getColorScheme ();
+
+    /** Returns our font collection. */
+    public UIFonts getFonts ();
+}

src/java/com/threerings/jme/chat/ChatView.java

@@ -0,0 +1,195 @@
+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.jme.chat;
+
+import java.util.StringTokenizer;
+
+import com.jme.image.Texture;
+import com.jme.math.Vector3f;
+import com.jme.scene.Controller;
+import com.jme.scene.Node;
+import com.jme.scene.Text;
+import com.jme.scene.state.AlphaState;
+import com.jme.scene.state.TextureState;
+import com.jme.ui.UIEditBox;
+import com.jme.ui.UIObject;
+import com.jme.util.TextureManager;
+
+import com.threerings.util.Name;
+
+import com.threerings.crowd.chat.client.ChatDirector;
+import com.threerings.crowd.chat.client.ChatDisplay;
+import com.threerings.crowd.chat.data.ChatCodes;
+import com.threerings.crowd.chat.data.ChatMessage;
+import com.threerings.crowd.chat.data.SystemMessage;
+import com.threerings.crowd.chat.data.UserMessage;
+import com.threerings.crowd.data.PlaceObject;
+
+import com.threerings.jme.JmeContext;
+import com.threerings.jme.Log;
+
+/**
+ * Displays chat messages and allows for their input.
+ */
+public class ChatView extends Node
+    implements ChatDisplay
+{
+    public ChatView (JmeContext ctx, ChatDirector chatdtr)
+    {
+        super("ChatView");
+
+        _chatdtr = chatdtr;
+
+        // create an alpha state that will allow us to blend the text on
+        // top of whatever else is below
+        AlphaState astate = ctx.getRenderer().createAlphaState();
+        astate.setBlendEnabled(true);
+        astate.setSrcFunction(AlphaState.SB_SRC_ALPHA);
+        astate.setDstFunction(AlphaState.DB_ONE);
+        astate.setTestEnabled(true);
+        astate.setTestFunction(AlphaState.TF_GREATER);
+        astate.setEnabled(true);
+
+        // create a font texture
+        TextureState font = ctx.getRenderer().createTextureState();
+        font.setTexture(
+            TextureManager.loadTexture(
+                getClass().getClassLoader().getResource(DEFAULT_JME_FONT),
+                Texture.MM_LINEAR, Texture.FM_LINEAR));
+        font.setEnabled(true);
+
+        _entry = new UIEditBox(
+            "Entry", 20, 20, 300, 20, ctx.getInputHandler(),
+            ctx.getBufferedInputHandler(), ctx.getColorScheme(),
+            ctx.getFonts(), "main", "", 65.0f, 0.0f, UIObject.INVERSE_BORDER);
+        attachChild(_entry);
+
+        // create a fixed number of text lines to display our text
+        _text = new Text[5];
+        _history = new String[_text.length];
+        int ypos = 40;
+        for (int ii = 0; ii < _text.length; ii++) {
+            _history[ii] = "Line " + ii;
+            _text[ii] = new Text("History" + ii, _history[ii]);
+            _text[ii].setLocalTranslation(new Vector3f(0, ypos, 0));
+            ypos += 20;
+            attachChild(_text[ii]);
+        }
+
+        setRenderState(font);
+        setRenderState(astate);
+
+        // add a controller that will update our edit field
+        addController(new Controller() {
+            public void update (float time) {
+                _entry.update(time);
+            }
+        });
+    }
+
+    public void willEnterPlace (PlaceObject plobj)
+    {
+        _chatdtr.addChatDisplay(this);
+    }
+
+    public void didLeavePlace (PlaceObject plobj)
+    {
+        _chatdtr.removeChatDisplay(this);
+    }
+
+    // documentation inherited from interface ChatDisplay
+    public void clear ()
+    {
+        String text = _entry.getText();
+
+        // if the message to send begins with /tell then parse it and
+        // generate a tell request rather than a speak request
+        if (text.startsWith("/tell")) {
+            StringTokenizer tok = new StringTokenizer(text);
+            // there should be at least three tokens: '/tell target word'
+            if (tok.countTokens() < 3) {
+                displayError("Usage: /tell username message");
+                return;
+            }
+
+            // skip the /tell and grab the username
+            tok.nextToken();
+            String username = tok.nextToken();
+
+            // now strip off everything up to the username to get the
+            // message
+            int uidx = text.indexOf(username);
+            String message = text.substring(uidx + username.length()).trim();
+
+            // request to send this text as a tell message
+            _chatdtr.requestTell(new Name(username), message, null);
+
+        } else if (text.startsWith("/clear")) {
+            // clear the chat box
+            _chatdtr.clearDisplays();
+
+        } else {
+            // request to send this text as a chat message
+            _chatdtr.requestSpeak(text);
+        }
+
+        // clear out the input because we sent a request
+        _entry.setText("");
+    }
+
+    // documentation inherited from interface ChatDisplay
+    public void displayMessage (ChatMessage msg)
+    {
+        if (msg instanceof UserMessage) {
+            UserMessage umsg = (UserMessage) msg;
+            if (umsg.localtype == ChatCodes.USER_CHAT_TYPE) {
+                append("[" + umsg.speaker + " whispers] " + umsg.message);
+            } else {
+                append("<" + umsg.speaker + "> " + umsg.message);
+            }
+
+        } else if (msg instanceof SystemMessage) {
+            append(msg.message);
+
+        } else {
+            Log.warning("Received unknown message type: " + msg + ".");
+        }
+    }
+
+    protected void displayError (String message)
+    {
+        append(message);
+    }
+
+    protected void append (String text)
+    {
+    }
+
+    protected ChatDirector _chatdtr;
+    protected UIEditBox _entry;
+
+    protected String[] _history;
+    protected Text[] _text;
+
+    protected static final String DEFAULT_JME_FONT =
+        "com/jme/app/defaultfont.tga";
+}

src/java/com/threerings/jme/input/HardwareMouse.java

@@ -0,0 +1,52 @@
+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.jme.input;
+
+import com.jme.input.Mouse;
+import com.jme.math.Vector3f;
+
+/**
+ * Implements the {@link Mouse} methods by simply querying the position of
+ * the hardware mouse under the assumption that it will not be turned off.
+ */
+public class HardwareMouse extends Mouse
+{
+    public HardwareMouse (String name)
+    {
+        super(name);
+    }
+
+    public void update ()
+    {
+        update(true);
+    }
+
+    public void update (boolean updateState)
+    {
+    }
+
+    public Vector3f getHotSpotPosition() {
+        hotSpotLocation.x = mouse.getXAbsolute();
+        hotSpotLocation.y = mouse.getYAbsolute();
+        return hotSpotLocation;
+    }
+}

tests/src/java/com/threerings/jme/client/JabberApp.java

@@ -21,6 +21,8 @@
 
 package com.threerings.jme.client;
 
+import com.jme.util.LoggingSystem;
+
 import com.threerings.util.Name;
 
 import com.threerings.presents.client.Client;
@@ -80,6 +82,8 @@ public class JabberApp extends JmeApp
 
     public static void main (String[] args)
     {
+        LoggingSystem.getLogger().setLevel(java.util.logging.Level.OFF);
+
         String server = "localhost";
         if (args.length > 0) {
             server = args[0];

tests/src/java/com/threerings/jme/client/JabberClient.java

@@ -21,6 +21,12 @@
 
 package com.threerings.jme.client;
 
+import com.jme.input.InputHandler;
+import com.jme.renderer.Renderer;
+import com.jme.scene.Node;
+import com.jme.ui.UIColorScheme;
+import com.jme.ui.UIFonts;
+
 import com.samskivert.util.Config;
 import com.threerings.util.MessageManager;
 
@@ -34,6 +40,8 @@ import com.threerings.crowd.client.OccupantDirector;
 import com.threerings.crowd.client.PlaceView;
 import com.threerings.crowd.util.CrowdContext;
 
+import com.threerings.jme.JmeContext;
+
 /**
  * The Jabber client takes care of instantiating all of the proper
  * managers and loading up all of the necessary configuration and getting
@@ -49,6 +57,8 @@ public class JabberClient
      */
     public void init (JabberApp app)
     {
+        _app = app;
+
         // create our context
         _ctx = createContextImpl();
 
@@ -125,7 +135,7 @@ public class JabberClient
      * The context implementation. This provides access to all of the
      * objects and services that are needed by the operating client.
      */
-    protected class JabberContextImpl implements CrowdContext
+    protected class JabberContextImpl implements CrowdContext, JmeContext
     {
         /**
          * Apparently the default constructor has default access, rather
@@ -133,52 +143,68 @@ public class JabberClient
          * protected. Why, I don't know, but we need to be able to extend
          * this class elsewhere, so we need this.
          */
-        protected JabberContextImpl ()
-        {
+        protected JabberContextImpl () {
         }
 
-        public Client getClient ()
-        {
+        public Client getClient () {
             return _client;
         }
 
-        public DObjectManager getDObjectManager ()
-        {
+        public DObjectManager getDObjectManager () {
             return _client.getDObjectManager();
         }
 
-        public Config getConfig ()
-        {
+        public Config getConfig () {
             return _config;
         }
 
-        public LocationDirector getLocationDirector ()
-        {
+        public LocationDirector getLocationDirector () {
             return _locdir;
         }
 
-        public OccupantDirector getOccupantDirector ()
-        {
+        public OccupantDirector getOccupantDirector () {
             return _occdir;
         }
 
-        public ChatDirector getChatDirector ()
-        {
+        public ChatDirector getChatDirector () {
             return _chatdir;
         }
 
-        public void setPlaceView (PlaceView view)
-        {
+        public void setPlaceView (PlaceView view) {
             // TBD
         }
 
-        public void clearPlaceView (PlaceView view)
-        {
+        public void clearPlaceView (PlaceView view) {
             // we'll just let the next place view replace our old one
         }
+
+        public Renderer getRenderer () {
+            return _app.getContext().getRenderer();
+        }
+
+        public Node getRoot () {
+            return _app.getContext().getRoot();
+        }
+
+        public InputHandler getInputHandler () {
+            return _app.getContext().getInputHandler();
+        }
+
+        public InputHandler getBufferedInputHandler () {
+            return _app.getContext().getBufferedInputHandler();
+        }
+
+        public UIColorScheme getColorScheme () {
+            return _app.getContext().getColorScheme();
+        }
+
+        public UIFonts getFonts () {
+            return _app.getContext().getFonts();
+        }
     }
 
     protected CrowdContext _ctx;
+    protected JabberApp _app;
     protected Config _config = new Config("jabber");
 
     protected Client _client;

tests/src/java/com/threerings/jme/client/JabberController.java

@@ -14,6 +14,6 @@ public class JabberController extends PlaceController
 {
     protected PlaceView createPlaceView (CrowdContext ctx)
     {
-        return null;
+        return new JabberView(ctx);
     }
 }

tests/src/java/com/threerings/jme/client/JabberView.java

@@ -0,0 +1,42 @@
+//
+// $Id$
+
+package com.threerings.jme.client;
+
+import com.threerings.crowd.client.PlaceView;
+import com.threerings.crowd.data.PlaceObject;
+import com.threerings.crowd.util.CrowdContext;
+
+import com.threerings.jme.JmeContext;
+import com.threerings.jme.chat.ChatView;
+
+/**
+ * Manages the "view" when we're in the chat room.
+ */
+public class JabberView
+    implements PlaceView
+{
+    public JabberView (CrowdContext ctx)
+    {
+        _ctx = ctx;
+        _jctx = (JmeContext)ctx;
+        _chat = new ChatView(_jctx, _ctx.getChatDirector());
+        _jctx.getRoot().attachChild(_chat);
+    }
+
+    // documentation inherited from interface PlaceView
+    public void willEnterPlace (PlaceObject plobj)
+    {
+        _chat.willEnterPlace(plobj);
+    }
+
+    // documentation inherited from interface PlaceView
+    public void didLeavePlace (PlaceObject plobj)
+    {
+        _chat.didLeavePlace(plobj);
+    }
+
+    protected CrowdContext _ctx;
+    protected JmeContext _jctx;
+    protected ChatView _chat;
+}

tests/src/java/com/threerings/jme/data/JabberConfig.java

@@ -0,0 +1,26 @@
+//
+// $Id$
+
+package com.threerings.jme.data;
+
+import com.threerings.crowd.data.PlaceConfig;
+import com.threerings.jme.client.JabberController;
+
+/**
+ * Defines the necessary bits for our chat room.
+ */
+public class JabberConfig extends PlaceConfig
+{
+    // documentation inherited
+    public Class getControllerClass ()
+    {
+        return JabberController.class;
+    }
+
+    // documentation inherited
+    public String getManagerClassName ()
+    {
+        // nothing special needed on the server side
+        return "com.threerings.crowd.server.PlaceManager";
+    }
+}

tests/src/java/com/threerings/jme/server/JabberServer.java

@@ -0,0 +1,49 @@
+//
+// $Id$
+
+package com.threerings.jme.server;
+
+import com.threerings.crowd.Log;
+import com.threerings.crowd.data.PlaceObject;
+import com.threerings.crowd.server.CrowdServer;
+import com.threerings.crowd.server.PlaceManager;
+import com.threerings.crowd.server.PlaceRegistry;
+
+import com.threerings.jme.data.JabberConfig;
+
+/**
+ * A basic server that creates a single room and sticks everyone in it
+ * where they can chat with one another.
+ */
+public class JabberServer extends CrowdServer
+{
+    // documentation inherited
+    public void init ()
+        throws Exception
+    {
+        super.init();
+
+        // create a single location
+        plreg.createPlace(
+            new JabberConfig(), new PlaceRegistry.CreationObserver() {
+            public void placeCreated (PlaceObject place, PlaceManager pmgr) {
+                Log.info("Created chat room " + pmgr.where() + ".");
+                _place = pmgr;
+            }
+        });
+    }
+
+    public static void main (String[] args)
+    {
+        JabberServer server = new JabberServer();
+        try {
+            server.init();
+            server.run();
+        } catch (Exception e) {
+            Log.warning("Unable to initialize server.");
+            Log.logStackTrace(e);
+        }
+    }
+
+    protected PlaceManager _place;
+}